diff --git a/version.h b/version.h
index 2b2aec15a4..9ab0bc682c 100644
--- a/version.h
+++ b/version.h
@@ -15,7 +15,7 @@
 
 #define RUBY_RELEASE_YEAR 2022
 #define RUBY_RELEASE_MONTH 9
-#define RUBY_RELEASE_DAY 12
+#define RUBY_RELEASE_DAY 13
 
 #include "ruby/version.h"
 #include "ruby/internal/abi.h"